> Did you try running another balance soft? I tried a few. The only thing that happens is that more empty blocks get allocated. I also tried convert=single,profiles=raid5. I ended up with a few empty 'single' blocks. (The empty blocks could be discarded with balance usage=0)
> Meanwhile... kernel v3.13, btrfs-progs v3.12. You're just a bit behind, > as kernel 3.14 is out (and 3.15 is rc2), and btrfs-progs is 3.14 > (possibly 3.14.1, I've not updated in a week or so). When you run into > problems, consider updating before reporting, as there are still very > real fixes going into each new version, and they might just fix the > problem you're reporting. I just upgraded to Ubuntu 14.04. I can try a kernel ppa but I didn't find anything in the about this on the wiki. On Mon, Apr 21, 2014 at 8:32 AM, Arjen Nienhuis <[email protected]> wrote: > I experimented with RAID5, but now I want to get rid of it: > > $ sudo btrfs balance start -dconvert=raid1,soft -v / > Dumping filters: flags 0x1, state 0x0, force is off > DATA (flags 0x300): converting, target=16, soft is on > ERROR: error during balancing '/' - No space left on device > There may be more info in syslog - try dmesg | tail > > This is in dmesg: > > [ 166.799139] btrfs: relocating block group 13368320589824 flags 129 > [ 248.927524] btrfs: relocating block group 13338255818752 flags 129 > ... > [ 409.184588] btrfs: relocating block group 11607454253056 flags 129 > [ 410.528075] btrfs: relocating block group 11605306769408 flags 129 > [ 411.957809] btrfs: 62 enospc errors during balance > > Extra info: > Data, RAID1: total=3.26TiB, used=3.25TiB > Data, RAID5: total=124.00GiB, used=123.90GiB > System, RAID1: total=32.00MiB, used=508.00KiB > System, single: total=4.00MiB, used=0.00 > Metadata, RAID1: total=9.00GiB, used=7.97GiB > Label: data uuid: 93be47ab-af7a-4329-8a6c-c6ff220060b0 > Total devices 3 FS bytes used 3.38TiB > devid 1 size 1.82TiB used 1.22TiB path /dev/sdd > devid 2 size 3.64TiB used 2.63TiB path /dev/sdb > devid 6 size 3.64TiB used 2.87TiB path /dev/sdc > > Btrfs v3.12 > > Linux maxi 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC > 2014 x86_64 x86_64 x86_64 GNU/Linux > > I tried scrub (no errors) and I cleared the free space cache. Nothing worked. > > Now I'm doing full balance (without 'soft') but that will take days. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
